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Exam DA0-001 topic 1 question 130 discussion

Actual exam question from CompTIA's DA0-001
Question #: 130
Topic #: 1
[All DA0-001 Questions]

A data analyst needs to collect a similar proportion of data from every state. Which of the following sampling methods would be the most appropriate?

  • A. Systematic sampling
  • B. Convenience sampling
  • C. Stratified sampling
  • D. Random sampling
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Suggested Answer: C 🗳️

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Swift_and_Quick
6 months, 3 weeks ago
C. Stratified sampling Stratified sampling involves dividing the population into homogeneous groups or strata based on certain characteristics (in this case, states) and then randomly selecting samples from each stratum. Since the goal is to collect a similar proportion of data from every state, stratified sampling would be the most appropriate method. This ensures that each state is represented in the sample proportionally to its size in the population, thus achieving a balanced representation across all states.
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